diff --git a/migration/vyos-unifi-switch b/migration/vyos-unifi-switch
index 945ceed..df18ee6 100755
--- a/migration/vyos-unifi-switch
+++ b/migration/vyos-unifi-switch
@@ -171,13 +171,30 @@ health_checks() {
   # no PPPoE stanza is a lab/partial delta, and failing it on a missing
   # pppoe0 would make the script untestable anywhere but the live cutover.
   # Announced loudly, because a quietly skipped check is worse than no check.
-  if grep -q "^set interfaces pppoe" "$DELTA"; then
+  if grep -qE "^set interfaces (pppoe|bonding bond0 vif 5)" "$DELTA"; then
+    # What matters is that SOME WAN works, not that every WAN works.
+    #
+    # This reverted a cutover that had genuinely succeeded. The 10 gig line came
+    # up on bond0.53 and the cloned MAC was handed the same public address the
+    # USG had (87.192.101.48); kea was serving real LAN clients at the same
+    # moment. The only failure was pppoe0 -- the Vodafone FAILOVER line -- and
+    # requiring it undid a working gateway.
+    #
     # Written as [ -n "$(...)" ] rather than `... | grep -q` for the pipefail
     # reason above: a pipeline ending in grep -q cannot be trusted here.
-    _chk "pppoe0 has an address"    '[ -n "$(ip -4 -br addr show pppoe0 2>/dev/null | awk "{print \$3}")" ]'
     _chk "a default route exists"   '[ -n "$(ip -4 route show default)" ]'
     _chk "internet reachable"       "ping -c2 -W3 8.8.8.8"
     _chk "DNS resolves through us"  "getent hosts vyos.net"
+
+    # Informational only: report each WAN, fail on neither. A failover line
+    # being down is worth seeing, not worth reverting for.
+    for _w in pppoe0 bond0.53; do
+      if [ -n "$(ip -4 -br addr show "$_w" 2>/dev/null | awk '{print $3}')" ]; then
+        say "  ok    WAN $_w has an address (informational)"
+      else
+        say "  note  WAN $_w has no address (informational, not fatal)"
+      fi
+    done
   else
     warn "this delta configures no WAN -- skipping all WAN health checks."
     warn "That is expected in the lab and WRONG for the real cutover."